Re: Stripping white space at the edges

On recent-ish Linux systems, there is available a fork of ImageMagick
known as GraphicsMagick which is significantly faster, particularly on
multi-core h/w.

Use thus:
  $ gm convert ...
etc

Options, etc are (essentially) the same.

HTH

PaulS

On Fri, 2012-07-06 at 10:39 -0600, Dennis Shea wrote:
> the following may be overkill but
>
> convert -flatten -trim +repage -background white
> pr_zonalAvg_clim7100.png pr_zonalAvg_clim7100.trim.png
>
>
> On 07/06/2012 10:34 AM, Noel Aloysius wrote:
> > Hello NCL,
> >
> > I created a panel plot with 14 figures. I want to maximize the plot area
> > by stripping the white space at the edges. I am not sure which plot
> > resources do this.
> > The section of the code and the plot is attached.
> >
> > Thank you in advance for your help,
> > Noel
> >
> > ;***********************************************************************************************
> > wks = gsn_open_wks("png", diro + "pr_zonalAvg")
> > plot = new(14, graphic)
> > gsn_define_colormap(wks, "precip3_16lev")
> >
> > res1 = True ; plot mods desired
> > res1@gsnDraw = False
> > res1@gsnFrame = False
> > res1@gsnMaximize = True
> > res1@gsnRightStringFontHeightF = 0.04
> > res1@cnFillOn = True ; turn on color
> > res1@gsnSpreadColors = True ; use full color table
> > res1@cnLinesOn = False ; no contour lines
> > res1@cnInfoLabelOn = False
> > res1@pmTickMarkDisplayMode = "Always" ; turn on fancy tickmarks
> >
> > res1@tmXBMode = "Explicit" ; label independently
> > res1@tmXBValues = ispan(0,11,1)
> > res1@tmXBLabels =
> > (/"J","F","M","A","M","J","J","A","S","O","N","D"/)
> >
> > res1@lbLabelBarOn = False
> > res1@cnLevelSelectionMode = "ManualLevels"
> > res1@cnLevelSpacingF = 20.
> > res1@cnMinLevelValF = 20.
> > res1@cnMaxLevelValF = 300.
> >
> > res1@tmYROn = False
> > res1@tmXBLabelFontHeightF = 0.025
> > res1@tmYLLabelFontHeightF = 0.025
> >
> > do i=0,11
> > res1@gsnRightString = gcm_names(i)
> > plot(i) = gsn_csm_lat_time(wks,
> > PzoneLat_7100(raw_bc|0,GCM|i,lat|:,month|:), res1)
> > end do
> >
> > res1@gsnRightString = "Obs"
> > plot(12) = gsn_csm_lat_time(wks, PzoneLat_7100obs(lat|:,month|:), res1)
> >
> > res1@gsnRightString = "bias corr. GCM avg."
> > plot(13) = gsn_csm_lat_time(wks, PzoneLat_7100_BCavg(lat|:,month|:),
> > res1)
> >
> > pres1 = True
> > pres1@gsnPanelLabelBar = True
> > pres1@gsnFrame = False
> > pres1@lbLabelFontHeightF = 0.01
> > pres1@lbOrientation = "horizontal"
> > pres1@lbLabelAutoStride = True
> > pres1@gsnPanelYWhiteSpacePercent = 1.5
> > pres1@gsnBoxMargin = 0.0
> > pres1@gsnPanelRowSpec = True ; tell panel what order
> > to plot
> > pres1@gsnPanelCenter = True ; centered plot
> > pres1@gsnMaximize = True
> >
> > gsn_panel(wks,plot,(/6,6,2/),pres1)
> > frame(wks)
> > ;****************************************************************************************************
> >
> >
> >
> > _______________________________________________
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Received on Fri Jul 6 16:54:42 2012